iGLibrary (online resource). (1920). Facts and figures about the Philippines. Bureau of Print.
Citazione stile Chigago Style (17a edizione)iGLibrary (online resource). Facts and Figures About the Philippines. Manila: Bureau of Print, 1920.
Citatione MLA (9a ed.)iGLibrary (online resource). Facts and Figures About the Philippines. Bureau of Print, 1920.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.